Toyota RAV4 manuals

Toyota RAV4 Service Manual: Pig power supply voltage malfunction

Toyota RAV4. Pig power supply voltage malfunction


Description

When a problem occurs in the system, the power source relay circuit is shut off to stop the power assist.


Wiring diagram

Toyota RAV4. Pig power supply voltage malfunction


Inspection procedure

  1. Read value of intelligent tester (pig power supply)

  1. Connect the intelligent tester (with can vim) to the dlc3.
  2. Turn the ignition switch on.
  3. Select the item "pig supply" in the data list and read the value displayed on the intelligent tester.

Power steering ecu




  1. Check wire harness (battery - power steering ecu)

Toyota RAV4. Check wire harness (battery - power steering ecu)


  1. Disconnect the a1 power steering ecu connector.
  2. Measure the voltage of the wire harness side connector.

Standard voltage




Replace power steering ecu

Ig power supply voltage malfunction
Description The power steering ecu distinguishes the ignition switch status as on or off through the ig power source circuit. Wiring diagram Inspection procedure Read value of inte ...

Power supply relay failure
Description If the power steering ecu detects these dtcs, it shuts off the motor relay circuit (built into the power steering ecu) and stops power assist. Inspection procedure Reconfirm ...

Other materials:

Usb port/aux port
Connect an ipod, usb memory device or portable audio player to the usb/aux port as indicated below. Select “ipod”, “usb” or “aux” on the audio source selection screen and the device can be operated via audio system. Connecting using the usb/aux port Ipod Open the cover and connect ...

Internal control module random access memory (ram) error
Description The ecm continuously monitors its own internal memory status, internal circuits, and output signals transmitted to the throttle actuator. This self-check ensures that the ecm is functioning properly. If any malfunction is detected, the ecm sets the appropriate dtc and illumina ...

Before refueling the vehicle
Close all the doors and windows, and turn the engine switch to the “lock” position (vehicles without a smart key system) or off (vehicles with a smart key system). Confirm the type of fuel. Fuel types Unleaded gasoline (octane rating 87 [research octane number 91] or higher) Cauti ...

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